2.Science by American Association for the Advancement of Science (1896)"... C. rotund ¡folia and C. mollis and was illustrated by specimens of all the
forms described. Notes on the genus Amelanchier: By NL BRITTON. ..."

3.Gray's School and Field Book of Botany: Consisting of "First Lessons in by Asa Gray (1880)"Ovate (Fig. 89), when the outline is like a section of a hen's-egg lengthwise,
the broader end downward. Orbicular, or rotund (Fig. ..."